Spinning and doubling machine



y 6, 1936. w. FREIUND 2,041,918

SPINNING AND DOUBLING MACHINE Filed Mar ch 29, 1954 2 Sheets-Sheet l 7 y 6, 1936. w. FREUND SPINNING AND DOUBLING MACHINE 2 Sheets-sheaf 2 Filed March 29, 19:54

fzimni r' Patented May 26, 1936 SPINNING AND DOUBLING MACHINE Willy Freund, Chemnitz, Germany Application March 29, 1934, Serial No. 717,924 In Germany April 1, 1933 '7 Claims.

This invention relates to a spinning and doubling machine and has for its purpose to avoid the ballooning which occurs at high speeds of rotation and the injurious strains produced in the yarn by centrifugal effect which hitherto rendered the spinning or doubling of finer yarns impossible. The object of this invention is to.

render possible .the perfect spinning or doubling of yarns up to the finest counts and having low 10 amounts of twist, at the highest spindle speeds.

The yarn is produced without ballooning and all undesirable yarn strains are prevented.

The invention is hereinafter described as applied by way of example to a ring or cap spinning machine and consists therein that the yarn arriving from the delivery rollers is passed through a guide eye which is arranged somewhat near thespindle point, the yarn being laid on the spindle point and being so guided in helical 20 turns around the spindle by the aid of projections, that it cannot balloon. The thread is then passed through a yarn brake and connected to the spool tube. The yarn is held at the spindle point, and when necessary or required, is also 25 held at short intervals below the spindle point by means of the said projections over which the yarn is drawn by the pull' thereon. Y

I attain the hereinbefore stated object by the mechanism shown by way of example in the ac- 30 companying drawings, wherein- Figure 1 shows in vertical section a cap spinning device with rising and falling spool.

Figure 2 is a plan View of the cap shown in Figure 1. 5 Figures 3 and 3a show otherforms. of the thread brake.

Figures 4 and 5 show another construction with two differently formed heads, the yarn brake being effected by the rising and falling 40 movement. I

Figure 4a shows a constructional form in which, as in Figure 4, the removable head and base are cylindrical and both are of smaller diameter than the spool tube to enable the said 45 tube to be placed in position and removed without first removing the head. The extension of the base also serves as a support for the said tube.

Figure 6 shows a head having two rows of yarn 50 controlling protuberances and a neck or contraction below the upper of the said rows.

Figure 7 shows a head which terminates in a point and has one row of yarn controlling protuberances and a contraction. 55 Figure 8 shows a head having a. semispherical end and one row of yarn controlling protuberances with a contraction beneath it. v

Figure 9 shows a head having a flat end and one row of yarn controlling protuberances with a contraction beneath it.

Figure 10 shows a head with a nipple-like end and having two. rows of yarn controlling protuberances and a contraction below the upper of the said rows.

Figure 11 shows a head with a completely fiattened end and having two rows of yarn controlling protuberances and a contraction beneath the upper of the said rows.

Figure 12 shows a head with two rows of yarn controlling protuberances and a neck.

Figure 13 shows a vertical section ofa head with a foundation of hard metal.

Figure 14 shows a cross sectional View of the last named head, taken on a line corresponding with line'XIVXI V of Figure 13.

Figure 15 shows a vertical section of a head with yarn controlling protuberances composed of balls held by a plug.

Figure 16 shows a head of conical form and having yarn controlling protuberances.

Figure 17 shows a head of conical form but with a neck below a row of yarn controlling protuberances.

The device according to Figures 1 to- 3a consists of a rotatably mounted s indle I on the conical point of which is secured a. spinning cap 2,

V, as shownin Figures 1 and 2 or a spinning cap 2a as shown in Figure 3, or a spinning cap 2b as shown in Figure 311;. Above the spinning cap thereiis. provided a vertically adjustable yarn guide 3 through the eye. 4 of which is lead the yarn which arrives from the delivery mechanism and is to be spun, the yarn running tangentially from the same to the upper conical end 6 of the cap. The controlling pins 1 are so distributed over the periphery of the cap that the yarn 5 of Fig. 1 or the yarn 5a of Fig. 3 or the yarn 5b .of Fig. 3a is controlled by the controlling pins on its way to the lower rim of the cap and guided spirally round the cap periphery. According to Figure 1 the cap is provided at its lower end with an annular hollow 8 which forms an outer cap rim 9. and an inner cap rim Ill. The stationary ring II, which forms a yarn brake due to the nature of its surface, penetrates between the two rims 9 and I0 and is so arranged that the drag produced by it on the yarn 5 is approximately the same on both its outer and inner sides. This is the case when the ring I! approximately a radius which is the average between the rad/ii of the two lower cap rims 9 and I and when the ring is formed in cross section symmetrically with the cross sections of the two cap rims 9 and III. The ring I I is adjustable vertically which enables the yarn to be wound tightly on the spool with a nearly uniform tension.

The spool tube I2 placed on the spindle I is mounted in any suitable manner on a spool rail (not shown) which is displaceable vertically, the spool tube being arranged axially slidable on the spindle I by means of a key I3 which causes the tube to be rotated by the spindle. The spool tube I2 serves in known manner to receive a paper tube I4 on which the yarn is wound in the form of a spool I5 by the rising and falling movement of the spool tube and the paper tube.

In the forms of yarn brake according to Figure 3 which can be employed in place of the yarn brake shown in Figure l, the same consist of the traveller I6 shown in Fig. 3 or the traveller I6b shown in Fig. 3a which is guided on a ring marked I! in Fig. 3 and marked I'Ib in Fig. 3a, similarly to ring spinning frames and can be loaded by means of a weight, when required. The traveller ring I! or I'Ib can either be arranged in a similar manner to the yarn brake ring shown in Figure 1 so that it can be adjusted vertically in the interior of the cap (Figure 3) from below, or enter an annular hollow (Figure 1) in the lower edge of the cap, or it may be arranged beneath the lower edge of the cap (Fig. 3a), the yarn 5b on leaving the periphery of the cap, entering the traveller IBD and being guided by the traveller to the spindle. 1

In the construction according to Figure 4 the spindle a, on which the tube b is slid, is formed at its upper end with a plug 0 which is adapted to receive a removable head d. The spindle a which requires only to rotate, is driven by means of a warve f. The spindle is surrounded by a guide ring 9 which is formed and arranged like a spinning ring and carries a traveller h which forms a yarn brake.

The guide ring 9 is mounted on a ring rail i which is so guided in guides k that it can rise and fall.

The guidance of the yarn is efl'ected by a yarn guide 1n arranged concentrically above the spindle and preferably adjustable in height. The yarn n is drawn through the traveller h and lies on the peripheral surface 'of the spindle or the head under the action of the yarn controlling protuberances 0 or p arranged on the periphery of the head d of the spindle and is guided round the spindle or head by the said protuberances in a spiral coil. The traveller h which forms a yarn brake produces the effect of causing the yarn to be drawn past the protuberances 0 which are formed more or less fiat according to the yarn strength, for example are of lens shape, whilst the guide ring together with the traveller performs the rising and falling movement. In the construction shown in Figure 5 there is a removable head e provided with protuberances p and removably mounted on a plug 0' provided on the spindle a on which the tube 1) is slid. The ring rail, ring and traveller described with reference to Figure-4 is utilized with the construction shown in Figure 5 and also with that shown in Figure 4a.

Figure 4a shows the yarn controlling protuberances 1) provided on a head d which enables the tube b to be placed on and removed without requiring removal of the head (1 To this end the head (1 and the base d are of smaller diameter than the internal diameter of the tube b and consequently the tube can be merely put on and taken oil. The'extension d of the base is conical and serves as a seat forthe tube b. A lower seat for the tube b is indicated by a.

The yarn controlling protuberances p guide 5 the yarn helically in the same manner as that indicated in Figure 4, and the yarn then passes through a similar traveller as the traveller h of Figure 4 before it is wound on the spindle a Protuberances 0' may, as indicated in broken 10 lines, be provided on the base d.

According to Figures 6 to 12, which show alternative forms of heads for use on the spindle a in place of the removable parts d, e of Figures 4, 5 the heads are provided with an annular hollow such as the hollow q of Figure 6, or the hollow q of Figure '7, or the hollow q of Figure 8, or the hollow q of Figure 9, or the hollow q of Figure 10, or the hollow q of Figure 11, or

the hollow q" of Figure 12, the hollow being situated beneath an upper row of yarn controlling protuberances such as the yarn controlling protuberances 0' of Figure '6, or the yarn controlling protuberances o of Figure '7, or the yarn controlling protuberances o of Figure 8, or the yarn controlling protuberances o of Figure 9, or the yarn controlling protuberances 0 of Figure 10, or the yarn controlling protuberances o of Figure 11, or the yarn controlling protuberances 0" of Figure 12, the said hollow serving to lay the yarn on the peripheral surface of the spindle and to guide the same downwardly onto the spindle in a helical coil. In the heads, for example according to Figures 9 and 12, the hollow follows a continuous curve, whereby the yarn lays itself on the spindle or head without cracking. In the constructional form according to Figures 6 and 10 a second ring of yarn controlling protuberances, see the yarn controlling protuberances r of Figure 6 and the yarn controlling protuberances r of Figure 10, is shown at the lower edge of the head which in some cases, 101' example when operating on yarns of certain strengths, form additional means for carrying round the yarn drawn past the hollow.

The two-part construction of head according to Figures 13 and 14 has the advantage, in addition to its interchangeability that only the upper part of the head requires to be changed. The head consisting of the two parts I3I and I32 is placed on the spindle I30. The lower, greater, substantially cylindrical part consists of light metal, whilst the upper part I32 provided with the yarn controlling protuberances consists of steel. The part I32 is provided with a four cornered pro- 65 jection I33 by means of which it is engaged with a corresponding socket in the part I3 I. Naturally, the parts I3I and I32 may be connected together by any other suitable means.

As shown in section in Figure 15, the two-part construction of a head may also serve to enable the rounded or similarly shaped yarn controlling protuberances to be formed on the periphery of the head in a simple manner. The head consisting substantially of a part I34 provided with a projection, and a tubular part I35 is provided with protuberances in the form of balls I36 composed for example of steel and inserted into the radial holes I31 from inside. The balls are gripped tight in the holes I31 which for that purpose are of smaller diameter than the balls and are retained in their correct positions by the stopper I38 which is adapted to be slid from above into position in the tubular part I35. It is of course also possible to secure the balls I36 I351; detachably engaging the part i34a. Figure 17 shows a constructionally similar two-part head in which the part i352) detachably engages the Part iMb.

The shown and described yarn controlling protuberances may be provided on the spindle point itself instead of on a head for mounting on the spindle.

I claim:

1. A yarn spinning and doubling machine comprising a rotary spindle, yarn controlling projections rotating with the spindle for guiding the yarn in spiral coils prior to the winding of the yarn on the spindle, in combination with a yarn brake provided on the machine for placing a drag on the yarn'and thereby causing the rotary spindle-to draw the yarn past the said projections.

. 2. A yarn spinning and doubling machine comprising a rotary spindle, yarn controlling protuberances rotating with the spindle for carrying the yarn round with the spindle and guiding the yarn in a helical, non-ballooned path, in combination with brake means rotating with the spindle for placing a drag on the yarn before it is wound up by the rotary spindle.

3. A yarn spinning and doubling machine comprising a rotary spindle, yarn controlling protuberances of rounded form rotating with the spindle for carrying the yarn round with the spindle and guiding the yarn in a helical, non-ballooned path, in combination with brake means rotating with the spindle for placing a drag on the yarn and thereby causing the rotary spindle to draw the "urn past the said projections.

4. A yarn spinning and doubling machine comprisingv a rotary spindle, a head provided on the point of the spindle, two annular rows of rounded studs on the head one row of which is situated at the upper end of the head and the other row of which is situated at the lower end thereof and both rows of which are for carrying the yarn round the spindle and guiding the yarn in a helical, non-ballooned path, in combination with brake means rotating with the spindle for placing which reaches over the said tube and. a yarn brake means provided on the machine and situated at the lower end of the cap for braking the yarn on its way from the cap to the said tube.

6. A yarn spinning and doubling machine comprising in combination, a spinning or doubling spindle, a tube slidably mounted thereon, a yarn brake member moving round the axis of the said spindle, and yarn controlling protuberances rotating with the spindle for cancelling in conjunction with the yarn brake member, the centrifugal efiect acting to produce ballooning of the yarn on its way to the said tube.

7. A yarn spinning and doubling machine comprising a rotary spindle, yarn controlling protuberances rotating with the spindle for carrying the yarn round with the spindle and guiding the yarn in a helical, non-ballooned path, in combination with a revolving and rising and falling guide member capable of a rising and falling movement ofequal length to the cop produced by the machine for. placing a drag on the yarn before it is wound up by the spindle.

. WILLY FREUND. 

